The written content provided with this product is the property of Gigabyte.
No part of this manual may be reproduced, copied, translated, or transmi tted in any form or by any
means without G igabyte's prior written permission. Specifications and features are subject to
change without prior notice.
Product Manual Classification
In order to assist in the use of this product, Gigabyte has categorized the user manual in the
following:
n For quick instal lation, please refer to the "Hardware Installation Guide" included with the
product.
n For detailed product i nformation and specifications, please carefully read the
"Product User Manual".
n For detailed information rel ated to Gigabyte's unique features, please go to Gigabyte's
website under "Technology Guide" where information can be downloaded in .pdf format.
Fore more product details, please click onto Gigabyte's website at www.gigabyte.com.tw
The motherboard contains numerous delicate electronic circuits and components which can
become damaged as a result of electrostatic discharge (ESD). Thus, prior to installation, please
follow the instructions below:
1. Please turn off the computer and unplug its power cord.
2. When handling the motherboard, avoid touching any metal leads or connectors.
3. It is best to wear an electrostatic discharge (ESD) cuff when handling electronic components
(CPU, RAM).
4. Prior to installing the electronic components, please have these items on top of an antistatic pad or
within a electrostatic shielding container.
5. Please verify that you the power supply is switched off before unplugging the power supply connector
from the motherboard.
Installation Notices
1. Prior to installation, please do not remove the stickers on the motherboard. These stickers are required
for warranty validation.
2. Prior to the installation of the motherboard or any hardware, please first carefully read theinformation
in the provided manual.
3. Before using the product, please verify that all cables and power connectors are connected.
4. To prevent damage to the motherboard, please do not allow screws to come in contact with the
motherboard circuit or its components.
5. Please make sure there are no leftover screws or metal components placed on the motherboard or
within the computer casing.
6. Please do not place the computer system on an uneven surface.
7. Turning on the computer power during the installation process can lead to damage to system
components as well as physical harm to the user.
8. If you are uncertain about any installation steps or have a problem related to the use of the product,
please consult a certified computer technician.
English
Instances of Non-Warranty
1. Damage due to natural disaster, accident or human cause.
2. Damage as a result of violating the conditions recommended in the user manual.
3. Damage due to improper installation.
4. Damage due to use of uncertified components.
5. Damage due to use exceeding the permitted parameters.
6. Product determined to be an unofficial Gigabyte product.
Hardware Installation- 9 -
English
1- 2Feature Summary
CPU Socket 478 for Intel® Pentium® 4 (Northwood, Prescott) processor with
HT Technology
Supports 400/533MHz FSB
L2 cache varies with processors
Chipset Northbridge:Intel® 845GE
Southbridge: Intel® ICH4
Memory 2 184-pin DDR DIMM sockets
Supports DDR333/DDR266/DDR200 DIMM
Supports up to 2GB DRAM (Max.)
Supports only 2.5V DDR DIMM
Slots 1 AGP slot 4X (1.5V) device support
3 PCI slot supports 33MHz & PCI 2.2 compliant
IDE Connections 2 IDE connection (UDMA 33/ATA 66/ATA 100), allows connection of 4
IDE devices
FDD Connections 1 FDD connection, allows connection of 2 FDD devices
Peripherals 1 parallel port supporting Normal/EPP/ECP mode
1 VGA port, 1 COMA port, onboard COMB connection
6 USB 2.0/1.1 ports (2 x rear, 4 x front by cable)
1 Front Audio Connector
1 IrDA connector for IR
1 PS/2 keyboard port
1 PS/2 mouse port
Supports Line In ; Line Out ; MIC In
Supports 2 / 4 / 6 channel audio
Supports SPDIF In/Out connection
CD In/ Game port
I/O Control IT8712
(note 1)
(Note 1) Due to (Intel 845PE/GE/GV) chipset architecture limitation, DDR333 memory modules are
supported only when you install a Pentium 4 processor with 533MHz FSB.
A Pentium 4 processor with 400MHz FSB will support DDR200/266 memory modules.
GA-8GEM800 Motherboard- 10 -
Hardware Monitor CPU / System fan speed detection
CPU overheating warning
System voltage detection
CPU / System fan failure warning
BIOS Use of licensed AWARD BIOS
Supports Q-Flash
Additional Features Supports @BIOS
Supports EasyTune
Overclocking Over Clock via BIOS (CPU/DDR/AGP)
Form Factor Micro-ATX form factor; 24.4cm x 22cm
English
Hardware Installation- 11 -
1-3Installation of the CPU and Heatsink
English
Before installing the CPU, please comply with the following conditions:
1. Please make sure that the motherboard supports the CPU.
2. Please take note of the pin one marks on the processor and socket. If you install the
CPU in the wrong direction, the CPU will not insert properly. If this occurs, please
change the insert direction of the CPU.
3. Please add an even layer of heat sink paste between the CPU and heatsink.
4. Please make sure the heatsink is installed on the CPU prior to system use, otherwise
overheating and permanent damage of the CPU may occur.
5. Please set the CPU host frequency in accordance with the processor specifications. It is not
recommended that the system bus frequency be set beyond hardware specifications since it
does not meet the required standards for the peripherals. If you wish to set the frequency
beyond the proper specifications, please do so according to your hardware specifications
including the CPU, graphics card, memory, hard drive, etc.
HT functionality requirement content :
Enabling the functionality of Hyper-Threading Technology for your computer system requires all
of the following platform components:
- CPU: An Intel® Pentium 4 Processor with HT Technology
- Chipset: An Intel® Chipset that supports HT Technology
- BIOS: A BIOS that supports HT Technology and has it enabled
- OS: An operation system that has optimizations for HT Technology
1-3-1 Installation of the CPU
Raise the processor
socket handle to 65
degrees.
Fully raise the processor socket handle.
1. Raise the processor socket handle to
65 degrees. You maybe feel a kind of
tight.
GA-8GEM800 Motherboard- 12 -
2. Raise the processor socket
handle all the way up to a fully
raised position (around 90
degrees) till you hear a "click."
Pin OnePin One
Pin One
Pin OnePin One
IndicatorIndicator
Indicator
IndicatorIndicator
English
3. Locate the Pin One Indicator on the
processor.
4. Locate Pin One in the socket and
look for a (golden) cut edge on the
CPU upper corner. Then insert the
CPU into the socket and close the
socket handle.
1-3-2 Installation of the Heatsink
1. Push down the cooler clip to secure to the
retention mechanism hooks for all four corners.
00
0Please use Intel® approved cooling fan.
00
00
0We recommend you to apply the thermal tape to provide better heat conduc
00
tion between your CPU and heatsink. (The CPU cooling fan might stick to the
CPU due to the hardening of the thermal paste. During this condition if you
try to remove the cooling fan, you might pull the processor out of the
CPU socket alone with the cooling fan, and might damage the processor. To
avoid this from happening, we suggest you to either use thermal tape in
stead of thermal paste, or remove the cooling fan with extreme caution.)
00
0Make sure the CPU fan power cable is plugged in to the CPU fan connector,
00
this completes the installation.
00
0Please refer to CPU heat sink user’s manual for more detail installation
00
procedure.
2. Plug the cooler power cable into the CPU fan
connector on the motherboard.
Hardware Installation- 13 -
English
1-4Installation of Memory
Before installing the memory modules, please comply with the following conditions:
1. Please make sure that the memory used is supported by the motherboard. It is recommended that
memory of similar capacity, specifications and brand be used.
2. Before installing or removing memory modules, please make sure that the computer
power is switched off to prevent hardware damage.
3. Memory modules have a foolproof insertion design. A memory module can be
installed in only one direction. If you are unable to insert the module, please switch the
direction.
The motherboard has 2 dual inline memory module (DIMM) sockets. The BIOS will automatically
detects memory type and size. To install the memory module, just push it vertically into the DIMM
socket. The DIMM module can only fit in one direction due to the notch. Memory size can vary between
sockets.
notch
55
DDR1DDR2
SS
DS
DD
DX
SD
SX
D:Double Sided DIMM S:Single Sided DIMM
X:Not Use
GA-8GEM800 Motherboard- 14 -
DDR memory module
1. The DIMM slot has a notch, so the DIMM
memory module can only fit in one direction.
2. Insert the DIMM memory module vertically
into the DIMM slot. Then push it down.
3. Close the plastic clip at both edges of the DIMM
slots to lock the DIMM module.
Reverse the installation steps when you wish
to remove the DIMM module.
English
Hardware Installation- 15 -
English
1- 5Installation of Expansion Cards
You can install your expansion card by following the steps outlined below:
1. Read the related expansion card's instruction document before installing the expansion card into
the computer.
2. Remove your computer's chassis cover, screws and slot bracket from the computer.
3. Press the expansion card firmly into expansion slot in motherboard.
4. Be sure the metal contacts on the card are indeed seated in the slot.
5. Replace the screw to secure the slot bracket of the expansion card.
6. Replace your computer's chassis cover.
7. Power on the computer, if necessary, setup BIOS utility of expansion card from BIOS.
8. Install related driver from the operating system.
Installing an AGP expansion card:
Please carefully pull out the small white-drawable
bar at the end of the AGP slot when you try to
AGP Card
install/uninstall the VGA card. Please align the VGA
card to the onboard AGP slot and press firmly
down on the slot. Make sure your VGA card is
locked by the small white-drawable bar.
GA-8GEM800 Motherboard- 16 -
1-6I/O Back Panel Introduction
PS/2 Keyboard and PS/2 Mouse Connector
T o install a PS/2 port keyboard and mouse, plug the mouse to the upper port (green) and the keyboard to the
lower port (purple).
LAN Port
The LAN port provides Internet connection.
USB port
Before you connect your device(s) into USB connector(s), please make sure your device(s) such
as USB keyboard, mouse, scanner, zip, speaker...etc. have a standard USB interface. Also make
sure your OS supports USB controller. If your OS does not support USB controller, please contact OS vendor for possible patch or driver upgrade. For more information please contact your
OS or device(s) vendors.
Parallel Port
The parallel port allows connection of a printer, scanner and other peripheral devices.
Serial Port
Devices like mouses, modems, and etc. can be connected to Serial port.
VGA Port
Monitor can be connected to VGA port.
Game/MIDI Port
This connector supports joystick, MIDI keyboard and other related audio devices.
Line Out (Front Speaker Out)
Connect the stereo speakers, earphone or front surround channels to this connector.
Line In
Devices like CD-ROM, walkman etc. can be connected to Line In jack.
MIC In
Microphone can be connected to MIC In jack.
English
Hardware Installation- 17 -
English
1- 7Connectors Introduction
3
1
8
9
14
4
6
5
18
2
55
17
10
111315
12
16
7
1)CPU_FAN10)F_PANEL
2)SYS_FAN11)CD_IN
3)ATX_12V12)SPDIF_IO
4)ATX13)F_USB1/F_USB2
5)IDE1/IDE214)C I
6)FDD15)I R
7)PWR_LED16)COMB
8)F_AUDIO17)CLR_CMOS
9)SUR_CEN18)BAT
GA-8GEM800 Motherboard- 18 -
1/2)CPU_FAN / SYS_FAN (CPU Fan Connector/System Fan Connector)
Please note, a proper installation of the CPU cooler is essential to prevent the CPU from running
under abnormal condition or damaged by overheating. The CPU fan connector supports max.
current up to 600 mA.
SYS_FAN connector allows you to link with the cooling fan on the system case to lower
the system temperature.
Pin No.Definition
1GND
1
CPU_FAN
55
1
SYS_FAN
2+12V
3Sense
Pin No.Definition
1GND
2+12V
3Sense
3)ATX_12V (+12V Power Connector)
The ATX_12V power connector mainly supplies power to the CPU. If the ATX_12V power
connector is not connected, the system will not start.
English
4
3
55
2
1
Pin No. Definition
1GND
2GND
3+12V
4+12V
Hardware Installation- 19 -
English
4)ATX (ATX Power)
With the use of the power connector, the power supply can supply enough stable power to all
the components on the motherboard. Before connecting the power connector, please make sure
that all components and devices are properly installed. Align the power connector with its
proper location on the motherboard and connect tightly.
Please use a power supply that is able to handle the system voltage requirements. It is
recommended that a power supply that can withstand high power consumption be used (300W
or greater). If a power supply that does not provide the required power is used, the result can
lead to an unstable system or a system that is unable to start.
Pin No.Definition
11
20
55
1
13.3V
23.3V
3GND
4VCC
5GND
6VCC
7GND
8Power Good
10
9 5V SB (stand by +5V)
10+12V
113.3V
12-12V
13GND
14PS_ON (soft on/off)
15GND
16GND
17GND
18-5V
19VCC
20VCC
GA-8GEM800 Motherboard- 20 -
5) IDE1/IDE2 (IDE Connector)
An IDE device connects to the computer via an IDE connector. One IDE connector can connect to one
IDE cable, and the single IDE cable can then connect to two IDE devices (hard drive or optical drive). If
you wish to connect two IDE devices, please set the jumper on one IDE device as Master and the other
as Slave(for information on settings, please refer to the instructions located on the IDE device).
English
40
55
21
IDE2 Connector
4039
39
21
IDE1 Connector
6) FDD (FDD Connector)
The FDD connector is used to connect the FDD cable while the other end of the cable connects to the
FDD drive. The types of FDD drives supported are: 360KB, 720KB, 1.2MB, 1.44MB and 2.88MB.
Please connect the red power connector wire to the pin1 position.
3334
55
12
Hardware Installation- 21 -
English
7) PWR_LED
PWR_LED is connected with the system power indicator to indicate whether the system is on/off.
It will blink when the system enters suspend mode.
Pin No.Definition
1
55
1MPD+
2MPD3MPD-
8) F_AUDIO (Front Audio Panel Connector)
Please make sure the pin assigment on the cable is the same as the pin assigment on the MB header.
To find out if the chassis you are buying support front audio panel connector, please contact your
dealer. If you want to use "Front Audio" connector, you must remove the jumpers on Pin 5-6, 9-10.
Please contact your nearest dealer for optional SUR_CEN cable.
Pin No.Definition
1SUR OUTL
2SUR OUTR
1652
55
3GND
4No Pin
5 CENTER_OUT
6BASS_OUT
10) F_PANEL (Front Panel Jumper)
Please connect the power LED, PC speaker, reset switch and power switch etc. of your chassis
front panel to the F_PANEL connector according to the pin assignment below.
English
Message LED/
Power/
Sleep LED
MSG+
2
1
HD+
55
IDE Hard Disk Active LED
HD (IDE Hard Disk Active LED)Pin 1: LED anode(+)
Pin 2: LED cathode(-)
SPEAK (Speaker Connector)Pin 1: VCC(+)
Pin 2- Pin 3: NC
Pin 4: Data(-)
RES (Reset Switch)Open: Normal Operation
Close: Reset Hardware System
PW (Power Switch)Open: Normal Operation
Close: Power On/Off
MSG(Message LED/Power/Sleep LED)Pin 1: LED anode(+)
Pin 2: LED cathode(-)
NCNC
Power
Switch
PW+
PW-
MSG-
HD-
RES+
RES-
Reset Switch
Speaker Connector
SPEAK+
NC
SPEAK-
20
19
Hardware Installation- 23 -
English
11) CD_IN (CD IN, Black)
Connect CD-ROM or DVD-ROM audio out to the connector.
1
55
Pin No.Definition
1CD-L
2GND
3GND
4CD-R
12) SPDIF_IO (SPDIF In/ Out)
The SPDIF output is capable of providing digital audio to external speakers or compressed AC3
data to an external Dolby Digital Decoder. Use this feature only when your stereo system has
digital input function. Use SPDIF IN feature only when your device has digital output function.
Be careful with the polarity of the SPDIF_IO connector. Check the pin assignment carefully while
you connect the SPDIF_IO cable. Incorrect connection between the cable and connector will
make the device unable to work or even damage it. For optional SPDIF_IO cable, please contact
your local dealer.
55
GA-8GEM800 Motherboard- 24 -
Pin No.Definition
62
1
5
1VCC
2No Pin
3SPDIF
4SPDIFI
5GND
6GND
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